An absolute cell reference contains a $ symbol before the column letter and row number (such as $A$1).
Answer the following statement true (T) or false (F)
True
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Why does a variable need a data type?
A. The program knows what kind of data it is. B. You know what type of data goes in the variable. C. The data type initiates the variable. D. The program needs to use the variable.
(Enforcing Privacy with Cryptography) The explosive growth of Internet communications and data storage on Internet-connected computers has greatly increased privacy concerns. The field of cryptography is concerned with coding data to make it difficult (and hopefully—with the most advanced schemes—impossible) for unauthorized users to read. In this exercise you’ll investigate a simple scheme for encrypting and decrypting data. A company that wants to send data over the In- ternet has asked you to write a program that will encrypt it so that it may be transmitted more se- curely. All the data is transmitted as four-digit integers. Your application should read a four-digit integer entered by the user and encrypt it as follows: Replace each digit with the result of adding 7 to the digit and
What will be an ideal response?
The ____________________ layer of the OSI model determines the network’s wiring and signaling types.
Fill in the blank(s) with the appropriate word(s).
Access does not support conditional formatting
Indicate whether the statement is true or false